/*
* Copyright (c) 2012 Kyle Hayward
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#pragma once

namespace OptixDotNet {
namespace Utils
{
	public ref class Time
	{
	public:
		static float SecsPerCnt = 0.0f;
		static double SecsPerCntDouble = 0.0f;

		static void InitTime()
		{
			LARGE_INTEGER cntsPerSec;
			QueryPerformanceFrequency(&cntsPerSec);
			SecsPerCnt = 1.0f / (float)cntsPerSec.QuadPart;
			SecsPerCntDouble = 1.0 / (double)cntsPerSec.QuadPart;
		}

		static float GetTime()
		{
			LARGE_INTEGER time;
			QueryPerformanceCounter(&time);
			return time.QuadPart * SecsPerCnt * 1000.0f;
		}

		static float GetTimeInSecs()
		{
			LARGE_INTEGER time;
			QueryPerformanceCounter(&time);
			return time.QuadPart * SecsPerCnt;
		}

		static double GetTimeInSecsDouble()
		{
			LARGE_INTEGER time;
			QueryPerformanceCounter(&time);
			return time.QuadPart * SecsPerCntDouble;
		}
	};
}
}